﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp4
{
    class Student
    {
        public void Number(double num,out bool grade)
        {
            if (num%9==0) 
            {
                grade = true;
            }
            else{
                grade = false;
            }
        }
    }
}
